User manual
Hardware Details
© 2008 Microchip Technology Inc. DS51721B-page 31
FIGURE A-2: PICDEM™ PIC18 EXPLORER DEMONSTRATION BOARD SCHEMATIC – 1 OF 2
PIC tail
RA0
RB0
RD7
RD5
RD4
RD2
RD1
1k
R10
1k
R7
RB1
RC5
RC3
V_VAR
DB6
DB5
DB3
DB2
DB0
RA1
V_VAR
RC4
RB2
TXD
RS
V_VAR
RC3
V_VAR
DB4
DB2
VO
DB4
DB2
VO
RH5
RH3
RJ7
RJ5
RJ1
RE7
RE5
RF5
RF3
RG5
RG3
RD7
RD5
RD1
RB0
RB2
RB3
RB5
RB6
RC6
RC7
RA7
RE3
ICEMCLR
RH4
RH2
RJ6
RJ4
RJ0
RE6
RE4
RF4
RF2
RG4
RG2
RD6
RD4
RD0
RC2RC2
RC1RC1
RA2RA2
RA1RA1
RC3RC3
RC4RC4
RA3RA3
RA4RA4
C24
TBD
POT
4
32
1
S1
V_VAR
VIN
Power
330_1%
R26
4
32
1
S2
RD6
RD3
RD0
+3.3V
+5V
D9
1k
R12
1k
R9
1k
R11
1k
R6
1k
R8
1k
R5
RA2
V_VAR
RA3
C35
.1uF
V_VAR
DB7
DB4
V_VAR
DB1
15K
R40
E
C42
.1uF
RC5
V_VAR
C38
.1uF
DB6
RS
DB0
DB6
RS
DB0
RH7
RH1
RJ3
RF7
RF1
RG1
RE1
RD3
RB1
RB4
RB7
RA6
RE2
J9
1 2
3 4
J6
+3.3V
RH6
+3.3V
RH0
RJ2
RF6
RF0
RG0
RE0
RD2
V_VAR
TM
RC0
RA0RA0
RC0
RC5
RA5RA5
RC5
S1GB13
15K
R14
C28
.1uF
C4
.1uF
C29
.1uF
C30
.1uF
V_VAR
R13
1k
R20
15K
V_VAR
C36
.1uF
C37
.1uF
9
PIN9
8
PIN8
7
PIN7
6
PIN6
1
PIN1
2
PIN2
3
PIN3
4
PIN4
5
PIN5
80 - 84 pins
64 - 68 pins
40 - 44 pins
8 - 14 - 18 - 20 - 28 pins
J14
1
14
2
3 4
5 6
7 8
9 10
11 12
13
15 16
17 18
19 20
J5
16
15
9 10
3 4
1413
11 12
5 6
1 2
7 8
J7
1 2
3
5
7
4
6
8
11 12
9 10
J11
R4
1K
Switch
RXD
RA5
DB7
DB5
DB1
E
Temperature Sensor
DB7
DB5
DB1
E
ICEMCLR
VIN
VIN
ADJ
VIN
RH4RH5
RH2RH3
RJ6RJ7
RJ4RJ5
RJ0RJ1
RE6RE7
RE4RE5
RF4RF5
RF2RF3
RG4PICMCLR
RG2RG3
V_VAR
RD6RD7
RD4RD5
RD0RD1
RB0
RB2
RB3
RB5
RB6
RC6
RC7
OSC1
RE3
C3
220uF ECE-V1EA221UP
V_VAR
R15
1K
TP2
C34
.1uF
TP1
V_VAR
TP4
TP5
Power Indicator
R28
1K
V_VAR
D8
JP1
D5
D6
D7
C1
.1uF
D2
D3
D4
D1
V_VAR
R32
10
RF6
V_VAR
+5V
DB3
+5V
DB3
+5V
+3.3V
+5V
+5V
+5V
RH6RH7
RJ2
RH0
RJ3
RH1
V_VAR
RF6RF7
RG0
RF0
RG1
RF1
RD2
RE0
RD3
RE1
RB1
RB7
RB4
RE2
OSC2
1
3
2
ADJ
R25
1K_1%
C27
100uf ECE-V1AA101WR
47uF
C45
47uF
C49
C39
.1uF
JP3
15K
R27
11
DIN1
10
DIN2
12
ROUT1
9
ROUT2
3
C1-
1
C1+
5
C2-
4
C2+
6
V-
2
V+
15
GND
16
VCC
8
RIN2
13
RIN1
7
DOUT2
14
DOUT1
U6
MAX3232
R16
15K
MCP23S17
1K
R38
10K
R39
25LC256
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
1 2
3 4
J3
MCP9701A
R36
470
1K
R29
JP2
1
ADJUST
3
IN
2
OUT
LM317
R35
470
1
GND
3
IN
2
OUT
LM1117
LCM-SO1602 DTR/M
1
GND
3
IN
2
OUT
LM1117
15
LED_+
13
D6
10
D3
7
D0
4
RS
1
Vss
14
D7
16
LED_-
9
D2
6
E
3
Vo
11
D4
8
D1
2
Vdd
5
R/W
12
D5
MDLS-16264 SS-DIF